From 3dc4b9a455c7da621fa6c2850362a26ee4fa8b50 Mon Sep 17 00:00:00 2001
From: Jeff Reback <jeff@reback.net>
Date: Mon, 27 Mar 2017 17:33:55 -0400
Subject: [PATCH] more docs for exceptions

---
 pandas/errors/__init__.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pandas/errors/__init__.py b/pandas/errors/__init__.py
index 19bff3d570a0e..f6719e7be421b 100644
--- a/pandas/errors/__init__.py
+++ b/pandas/errors/__init__.py
@@ -12,8 +12,10 @@ class PerformanceWarning(Warning):
     """
 
 class UnsupportedFunctionCall(ValueError):
-    pass
-
+    """
+    If attempting to call a numpy function on a pandas
+    object. For example using ``np.cumsum(groupby_object)``.
+    """
 
 class UnsortedIndexError(KeyError):
     """